CVE-2026-28522

MEDIUM 6.5

arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

arduino-TuyaOpen before version 1.2.1 contains a null pointer dereference vulnerability in the WiFiUDP component. An attacker on the same local area network can send a large volume of malicious UDP packets to cause memory exhaustion on the device, triggering a null pointer dereference and resulting in a denial-of-service condition.

CWE	CWE-476
Vendor	tuya
Product	arduino-tuyaopen
Published	Mar 15, 2026
Last Updated	Mar 16, 2026

Stay Ahead of the Next One

Get instant alerts for tuya arduino-tuyaopen

Be the first to know when new medium vulnerabilities affecting tuya arduino-tuyaopen are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Tuya / arduino-TuyaOpen

0 < 1.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

src.tuya.com: https://src.tuya.com/announcement/32 github.com: https://github.com/tuya/arduino-TuyaOpen vulncheck.com: https://www.vulncheck.com/advisories/arduino-tuyaopen-wifiudp-null-pointer-dereference-denial-of-service

Credits

Maxime ROSSI BELLOM